Home / 43,836.40-65,730.30-17,511.40

Finding the Fourth Proportional to 43,836.40, 65,730.30 and 17,511.40

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Solution

The fourth proportional to 43,836.40, 65,730.30 and 17,511.40 is: 26,257.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,836.40 : 65,730.30 = 17,511.40 : x
  2. Step 2: Convert to fraction form
    43,836.40/65,730.30 = 17,511.40/x
  3. Step 3: Cross multiply
    43,836.40x = 65,730.30 × 17,511.40
  4. Step 4: Simplify right side
    43,836.40x = 1,151,029,575.42
  5. Step 5: Solve for x
    x = 1,151,029,575.42/43,836.40
  6. Step 6: Final answer
    x = 26,257.39

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.